/* =====================================================
   Login Page Specific Styles
   ===================================================== */

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 50%, #43A047 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Animated background pattern */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 169, 68, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: backgroundShift 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* =====================================================
   Login Container
   ===================================================== */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 450px;
    width: 90%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* =====================================================
   Form Section
   ===================================================== */

.login-form-section {
    flex: 1;
    width: 100%;
}

.login-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    width: 100%;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-heading {
    font-size: 1.5rem;
    color: #1B5E20;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: 600;
}

/* =====================================================
   Form Styles
   ===================================================== */

#loginForm {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--text-dark);
    background-color: var(--accent-cream);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    outline: none;
    transition: all 0.3s ease;
}

.form-input:focus {
    background-color: var(--white);
    border-color: #1B5E20;
    box-shadow: 0 0 0 4px rgba(27, 94, 32, 0.1);
}

.form-input::placeholder {
    color: var(--text-light);
    font-weight: 400;
}

/* =====================================================
   Button Styles
   ===================================================== */

#loginBtn {
    width: 100%;
    padding: 0.9rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    background: linear-gradient(135deg, #8E2B36 0%, #A52A2A 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(142, 43, 54, 0.3);
    margin-top: var(--spacing-sm);
}

#loginBtn:hover {
    background: linear-gradient(135deg, #A52A2A 0%, #8E2B36 100%);
    box-shadow: 0 6px 16px rgba(142, 43, 54, 0.4);
    transform: translateY(-2px);
}

#loginBtn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(142, 43, 54, 0.3);
}

#loginBtn:disabled {
    background: var(--border-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* =====================================================
   Alert Styles
   ===================================================== */

.alert {
    padding: 0.75rem 1rem;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-align: center;
}

.alert-error {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--error-red);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-green);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.alert-hidden {
    display: none;
}

/* =====================================================
   Responsive Design
   ===================================================== */

@media (max-width: 768px) {
    .login-container {
        padding: var(--spacing-lg);
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem 1rem;
    }
    
    .login-heading {
        font-size: 1.25rem;
    }
    
    .form-input {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    
    #loginBtn {
        padding: 0.75rem;
    }
}

/* =====================================================
   Loading State
   ===================================================== */

.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--white);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}